运行结果
1.图
2.动图
九个图标是设置的,你也可以设置4 * 4 = 16都可以。
3.分享个GIF动图的.exe
代码activity_mAIn.xml
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent"> <GridView android:id="@+id/GridView" android:layout_width="match_parent" android:layout_height="match_parent" android:verticalSpacing="10dp" android:columnWidth="90dp" android:numColumns="3" android:stretchMode="columnWidth" android:gravity="center" android:background="#F3DCF3"> </GridView> <!-- 容器大小和父容器一样大:match_parent 每列之间的间距为27dp:android:verticalSpacing="27dp" 指定列宽为90dp:android:columnWidth="90dp" 每一行自动填充3个:android:numColumns="3" 空余的位置均分给列填充:android:stretchMode="columnWidth" 显示位置居中:android:gravity="center" --> </RelativeLayout>
item.xml
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="wrap_content" android:background="#F3DCF3"> <ImageView android:id="@+id/ItemImage" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_centerHorizontal="true"> </ImageView> <TextView android:id="@+id/ItemText" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_below="@+id/ItemImage" android:layout_centerHorizontal="true" > </TextView> <!-- 该控件设置在相对于父控件水平居中的位置:layout_centerHorizontal="true" 该控件位于@+id的下面:layout_below="@+id/ItemImage" --> </RelativeLayout>
MainActivity.java
package edu.hrbust.syoneninelayout; import android.annotation.SuppressLint; import android.app.Activity; import android.os.Bundle; import android.view.View; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.GridView; import android.widget.SimpleAdapter; import android.widget.Toast; import java.util.ArrayList; import java.util.HashMap; public class MainActivity extends Activity { // 调用活动 @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); // 关联activity_main.xml 和 控件GridView setContentView(R.layout.activity_main); GridView gridView = (GridView) findViewById(R.id.GridView); // 构建ArrayList是HashMap格式,HashMap格式是<String,Object> ArrayList<HashMap<String,Object>> meumList = new ArrayList<HashMap<String, Object>>(); // 向ArrayList填入数据 图片+i i设置为1~9,形成九宫格 for(int i = 1; i < 10; i++){ HashMap<String,Object> map = new HashMap<String, Object>(); //R.mipmap.ic_luminggai是关联的图片 我的图片在res的mipmap下面 map.put("ItemImage",R.mipmap.ic_luminggai); map.put("ItemText",""+i); meumList.add(map); } // 构建数据适配器 SimpleAdapter saItem = new SimpleAdapter(this, meumList, R.layout.item, new String[]{"ItemImage","ItemText"}, new int[]{R.id.ItemImage,R.id.ItemText}); // 应用适配器 gridView.setAdapter(saItem); gridView.setOnItemClickListener( new OnItemClickListener() { @SuppressLint("WrongConstant") public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) { int index = arg2 + 1; Toast.makeText(getApplicationContext(),"点击了选项:" + index,0).show(); } } ); } }